/*
 * Copyright (C) 2010 Graham Allan
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.strath.cis.grallan.findbugs.adaptiveranking.gui.sort;

import java.util.Comparator;

import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.gui2.BugAspects.SortableValue;
import edu.umd.cs.findbugs.gui2.sort.Sortable;

public class BugToSortableValueComparator implements Comparator<BugInstance> {
	private final Sortable sortable;

	private BugToSortableValueComparator(Sortable sortable) {
		this.sortable = sortable;
	}

	public static BugToSortableValueComparator transformFor(Sortable sortable) {
		return new BugToSortableValueComparator(sortable);
	}

	public int compare(BugInstance o1, BugInstance o2) {
		SortableValue first = new SortableValue(sortable, sortable.getFrom(o1));
		SortableValue second = new SortableValue(sortable, sortable.getFrom(o2));
		return compare(first, second);
	}

	public int compare(SortableValue o1, SortableValue o2) {
		return sortable.compare(o1, o2);
	}
}